WO2017025212A1 - Pneumatique de véhicule - Google Patents

Pneumatique de véhicule Download PDF

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Publication number
WO2017025212A1
WO2017025212A1 PCT/EP2016/061868 EP2016061868W WO2017025212A1 WO 2017025212 A1 WO2017025212 A1 WO 2017025212A1 EP 2016061868 W EP2016061868 W EP 2016061868W WO 2017025212 A1 WO2017025212 A1 WO 2017025212A1
Authority
WO
WIPO (PCT)
Prior art keywords
circumferential
groove
radially
radially outer
height
Prior art date
Application number
PCT/EP2016/061868
Other languages
German (de)
English (en)
Inventor
Ronald DARIES
Original Assignee
Continental Reifen Deutschland Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Reifen Deutschland Gmbh filed Critical Continental Reifen Deutschland Gmbh
Priority to CN201680047568.6A priority Critical patent/CN107921825B/zh
Priority to PL16724906T priority patent/PL3334612T3/pl
Priority to EP16724906.9A priority patent/EP3334612B1/fr
Publication of WO2017025212A1 publication Critical patent/WO2017025212A1/fr
Priority to US15/895,887 priority patent/US20180170116A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/0306—Patterns comprising block rows or discontinuous ribs
    • B60C11/0309—Patterns comprising block rows or discontinuous ribs further characterised by the groove cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/032—Patterns comprising isolated recesses
    • B60C11/0323—Patterns comprising isolated recesses tread comprising channels under the tread surface, e.g. for draining water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/04—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag
    • B60C11/042—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/04—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag
    • B60C11/042—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section
    • B60C11/045—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section the groove walls having a three-dimensional shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1376—Three dimensional block surfaces departing from the enveloping tread contour
    • B60C11/1392—Three dimensional block surfaces departing from the enveloping tread contour with chamfered block edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/04—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C2011/0337—Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339—Grooves
    • B60C2011/0341—Circumferential grooves
    • B60C2011/0353—Circumferential grooves characterised by width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C2011/0337—Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339—Grooves
    • B60C2011/0341—Circumferential grooves
    • B60C2011/0355—Circumferential grooves characterised by depth

Definitions

  • the invention relates to a vehicle pneumatic tire for commercial vehicles with a profiled tread having at least two circumferential ribs adjacent in the axial direction A, which are separated by a circumferential groove of the measured depth H in the radial direction R, wherein the circumferential groove in the axial direction A is bounded by two groove walls, wherein the circumferential ribs in the radial direction R are outwardly bounded by a radially outer surface forming the road contact surface and in the axial direction toward the circumferential groove by an edge forming the circumferential groove facing the circumferential groove, and wherein the circumferential groove is one radially inner extension portion of the measured height Hi in the radial direction and a radially adjoining radially outer extension portion of the height H 2 is formed, wherein the circumferential groove in the radially inner extension portion as over the entire circumference of the tire extended r is formed at the height Hi and the width Bi measured in the axial direction, wherein the circumferential groove is formed in the
  • Such pneumatic vehicle tires are known. It is known to form commercial vehicle tires with circumferential ribs, which in axial
  • circumferential grooves Direction of the tire are separated by circumferential grooves.
  • the circumferential grooves have usual over the entire circumference of the tire away in each case in the cross-sectional areas which include the tire axis, a radially inwardly to radially outwardly V-shaped extended cross-sectional contour with along the entire radial extent rectilinear groove walls.
  • Extension portion as a narrow circumferential groove formed along the entire extent over the circumference with a groove width which is narrower than that
  • Extension area of the first peripheral areas in which it is narrow still close slightly when passing through the laces, so that the penetration of water and the removal of water over the circumference of the tire away is still severely hampered.
  • the closing of the grooves in the area of the tire gossip creates a seemingly smooth surface without any further grip edges. Also, this tire is properties in terms of wet grip and thus still limited in terms of snow grip characteristics.
  • the circumferential groove is formed in the outer extension region due to the annular channel with its large width in the narrow extension portions of the groove in the radially outer extension portion with reduced radial stiffness, which allows that when building a large water pressure when passing through the Latsches is pressed on due to the water pressure.
  • This has a negative effect on the rolling resistance and in turn allows the penetration of stones into the narrow extension portion of the groove.
  • the invention has for its object to provide a pneumatic vehicle tire for
  • the object is fiction, in accordance with the formation of a pneumatic vehicle tire for commercial vehicles with a profiled tread with at least two adjacent in the axial direction A circumferential ribs, which by a circumferential groove in the radial direction R measured depth H are separated, wherein the circumferential groove in the axial direction A is bounded by two groove walls, in which the circumferential ribs in the radial direction R outwardly through a road contact surface forming the radially outer surface and in the axial direction to the circumferential groove, respectively by a flank forming the circumferential rib-shaped groove wall of the circumferential groove, and wherein the circumferential groove is formed of a radially inner extension portion of the radially measured height Hi and a radially adjoining radially outer extension portion of the height H 2 , the circumferential groove in the radially inner extension portion as over the entire circumference of the tire extending channel of the height Hi and measured in the axial direction width Bi is formed, the circumferential groove in the
  • Extension in the circumferential direction with a width B 2 with B 2 ⁇ Bi is formed, solved according to the features of claim 1, wherein the two flanks forming the groove walls in the first peripheral regions in transition to the radially outer surface to the circumferential rib each with a chamfer of in Radial direction R measured height H 4 with H 4 ⁇ H 2 and along its radial extent in the radially outer extension portion from radially inward to radially outward to the chamfer at a distance B 2 are formed from each other.
  • Water intake volume can be used.
  • this training allows that when passing through the laces when rolling water through the wide-trained second peripheral areas can flow well and also
  • Tire lashes is also made more difficult.
  • a vehicle tire according to the features of claim 4 wherein the width B 3 is formed with B 3 ⁇ 17mm. In this way, the negative portion of the profile additionally limited and thus a good rolling resistance can be further promoted.
  • a vehicle tire according to the features of claim 5 wherein the height H 2 with (1/3) H ⁇ H 2 ⁇ (2/3) H is formed. In this way, i can easily a high support effect of the closed in the tire lash first peripheral area allows and thus an undesirable reliable
  • the height H 4 is formed with 1mm ⁇ H 4 ⁇ 3mm.
  • the height H 4 is hereby chosen sufficiently large to easily implement a safe "cutting" of the water film and an effective absorption capacity between the chamfers of the two groove walls, and chosen sufficiently small so as not to affect the stability of the tire lobe closed in the peripheral portion and thus to Implementation of a particularly good rolling resistance.
  • a vehicle tire according to the features of claim 9, wherein the groove walls in the radially inner extension portion in the transverse section planes, which include the tire axis, from radially inward to radially outward, including an opening angle ß with 4 ° ⁇ ß ⁇ 40 ° V-shaped spread are formed.
  • the training makes it possible to easily capture To complicate stones and facilitate the ejection of trapped stones and the formation of stress peaks when driving in the transition between groove bottom and groove wall and thus counteract cracks and thereby reliably implement closing of the groove in the radially outer extension portion of the first circumferential extents without undesirable for good rolling resistance bending when passing through the tire lash.
  • the groove walls in the transverse section planes which the tire axis include, straight and from radially inside to radially outward, including the opening angle ß with 4 ° ⁇ ß ⁇ 40 ° v-shaped spread and formed in the radially outer surface at a distance B 3 of each other.
  • the design makes it easy to complicate the capture of stones and to facilitate the ejection of trapped stones.
  • the formation of stress peaks when driving in the transition between groove bottom and groove wall and thus cracking can be counteracted. The invention will be explained in more detail below with reference to the exemplary embodiments illustrated in FIGS. 1 to 5. Show here
  • Fig.l a circumferential extension portion of a tread pattern of a
  • FIG. 2 shows an enlarged detail of the tread pattern of Fig.l in plan view for explaining the formation of a circumferential groove
  • 3 shows the circumferential groove of Figure 2 in a sectional view along section III-III of Figure 2
  • Figure 4 shows the circumferential groove of Figure 2 in a sectional view along section IV-IV and
  • FIG. 5 shows the circumferential groove of Figure 2 in a sectional view along section V-V of Figure 2.
  • Fig. 1 shows a barrel strip profile of a pneumatic vehicle tire for commercial vehicles with a plurality of axially in the axial direction A of the pneumatic vehicle tire arranged side by side, extending over the circumference of the vehicle pneumatic tire and aligned in the circumferential direction U circumferential ribs 1, 2, 3, 4 and 5.
  • Axially juxtaposed circumferential ribs are each by a
  • Circumferential groove axially spaced from each other.
  • the circumferential ribs 1 and 2 are in the axial direction A by a over the entire circumference of the vehicle pneumatic tire extended and aligned in the circumferential direction U of the pneumatic vehicle tire circumferential groove 6 separated from each other.
  • the circumferential ribs 2 and 3 are separated from one another in the axial direction A by a circumferential groove 7 which extends over the entire circumference of the pneumatic vehicle tire and is aligned in the circumferential direction U of the pneumatic vehicle tire.
  • Circumferential ribs 3 and 4 are separated from one another in the axial direction A by a circumferential groove 8 which extends over the entire circumference of the pneumatic vehicle tire and is aligned in the circumferential direction U.
  • the circumferential ribs 4 and 5 are separated from one another in the axial direction A by a circumferential groove 9 which extends over the entire circumference of the pneumatic vehicle tire and is aligned in the circumferential direction U.
  • the circumferential ribs 1 and 5 are shoulder ribs.
  • the circumferential ribs 1, 2, 3, 4 and 5 are limited in the radial direction R of the pneumatic vehicle tire to the outside by a radially outer surface 19 forming the road contact surface.
  • the circumferential grooves 6, 7, 8 and 9 are bounded inwards in the radial direction R in each case by a groove bottom 14 which extends over the entire circumference of the vehicle pneumatic tire.
  • the circumferential ribs 1, 2, 3, 4 and 5 are limited in the axial direction A to the respective adjacent circumferential groove in each case by an edge, which forms the respectively directed to the circumferential rib groove wall of the associated circumferential groove out.
  • the formation of the circumferential grooves 6, 7, 8 and 9 is shown in more detail on the basis of the circumferential groove 8.
  • circumferential groove 8 bounding circumferential rib 3 is limited on its side facing the circumferential groove 8 side by a flank 15 which extends in the radial direction R, starting from the groove bottom 14 of the circumferential groove 8 to the radially outer surface 19 of the circumferential rib 3 and thereby forming the circumferential rib 3 groove wall of the circumferential groove 8 forms.
  • the circumferential rib 4 is bounded on its in the axial direction A to the circumferential groove 8 side facing away from an edge 16 which extends in the radial direction R from the
  • Groove base 14 extends to the radially outer surface 19 of the circumferential rib 4 and thereby forms the circumferential rib 4 toward the groove wall of the circumferential groove 8.
  • the circumferential groove 8 is projecting inwardly in the radial direction R from the radially outer surface 19 of the adjacent circumferential ribs 3 and 4 to the inside
  • Groove bottom 14 measured groove depth H formed.
  • the circumferential groove 8 is formed in its groove bottom 14 with a width B 5 measured in the axial direction A of the pneumatic vehicle tire.
  • the circumferential groove 8 is in the radial direction R of a radially inner
  • Extension portion 10 and a radially outer extension portion 11 is formed.
  • the radially inner extension portion 10 extends from the groove bottom 14, starting in the radial direction R outwardly to a radial direction R from the groove bottom 14 to the radially outwardly measured extension height Hi.
  • the radially outer extension section 11 extends with an extension height H 2 measured in the radial direction R to the radially outer surface 19.
  • the circumferential groove 8 extends over the circumference of the pneumatic vehicle tire as an in Formed circumferential direction U and over the circumference of the tire extending flow channel 10 of the extension height Hi and the channel width Bi.
  • Cross-sectional planes of the tire which include the tire axis, - as in Figures 3 and 4 is shown - each along its radial extent from the inside outwards in the axial direction A to the respective groove wall 15 and 16 to be assigned circumferential rib 3 or 4 inclined towards.
  • close the groove walls 15 and 16 with each other an opening swinkel ß with 4 ° ⁇ ß ⁇ 40 °, for example, with ß 5 °.
  • the groove walls 15 and 16 are in the radially inner extension portion 11 over the entire circumference of the tire as seen in all cross-sectional planes containing the tire axis, each including the inclination angle ß from the groove bottom 14 in the radial direction R outwardly with continuously increasing distance from each other formed and reach in the region of the radial extension end of the radially inner extension portion 10 their maximum measured in the axial direction A distance Bi.
  • the circumferential groove 8 along its extension in the circumferential direction U over the circumference of the tire from in succession successively arranged circumferential extension regions 12 is formed with narrow groove width and circumferential extents 13 with a large groove width.
  • Peripheral extension regions 12 is the circumferential groove 8 in the radially outer
  • Extension portion 11 along its extension in the circumferential direction U and along its radial extent R starting from the transition from the radially inner
  • the edge 16 is formed in the entire circumferential extent region 12 as a chamfer 18.
  • the chamfers 17 and 18 extend in the radial direction R over an extension height H 4 .
  • the flank 15 extends in the transverse planes, which include the tire axis, in the radially inner extension portion 10 from the radial position of the largest width Bi in an extension portion in the axial direction A inwardly in the direction of another flank 16 out.
  • the edge 16 extends from the radial position of the width Bi in one
  • flanks 15 and 16 form in the extension section 23 each have an axial offset of the flank 15 and 16 axially inward. They form with their offset in each case a radially outwardly directed end surface 23 of the radially inner extension portion Hi and the flow channel. As shown in Fig. 3, this end surface 23 is formed due to production along its extension in the axial direction A inclined at a slight radial slope.
  • the flanks 15 and 16 extend to form the end surfaces 23 up to a distance B 2 from each other in the axial direction A to each other, they occupy in a position at a radial distance H 2 of the radially outer surface 19. From this position, the flanks 15 and 16 extend at a distance B 2 from each other radially outward and form the radially outer extension portion 11 of the extension height H 2 .
  • the circumferential groove 8 is also formed in the radially outer extension section 11 of the extension height H 2 with a width increasing from inside to outside along its radial extent and reaches its maximum width B 3 in the position the radially outer surface 19 of the circumferential ribs 3 and 4 with B 3 > Bi.
  • B 3 is selected with B 3 ⁇ 17 mm.
  • the circumferential groove 8 is in its substantial circumferential extension of the
  • Transitional extension section 21 connects the sectional contour of the flank 15 with the radially outer surface 19 of the substantial, central extension region 20 with the sectional contour of the flank 15 with the radially outer surface 19 of the in
  • the transition extension section 22 connects the cutting contour of the flank 15 with the radially outer surface 19 of the substantial, central extension region 20 with the sectional contour of the flank 15 with the radially outer surface 19 of the in
  • Circumferential direction U immediately preceding circumferential extent 12.
  • the sectional contour extends in the middle
  • Extension section 20 - as shown in Figure 2 - between two points N and O.
  • the sectional contour of the extension sab section 21 connects, which extends to a point P.
  • the section contour line course of the downstream circumferential extension section 12 follows.
  • the sectional contour of the extension section 20 adjoins the sectional contour of the extension section 20, which extends to a point M. In point M closes the
  • flank 16 intersects the radially outer surface 19 of the
  • Circumferential rib 4 in a sectional contour, which is aligned over the main, central extension region 20 of the circumferential extension section 13 in the circumferential direction U of the pneumatic vehicle tire.
  • the sectional contour of the peripheral extension section 14 with the radially outer surface 19 of the circumferential rib 4 is from this central extension portion 20, a circumferential direction U this middle
  • Transition extension section 21 connects the cutting contour of the edge 16 with the radially outer surface 19 of the substantial, central extension region 20 with the sectional contour of the edge 16 with the radially outer surface 19 of the in
  • the transitional extension section 22 connects the cutting contour of the flank 16 with the radially outer surface 19 of the substantial, central extension region 20 with the sectional contour of the flank 16 with the radially outer surface 19 of the in
  • Extension section 20 - as shown in Figure 2 - between two points T and K.
  • the sectional contour of the extension sab section 21 connects, which extends to a point E.
  • the section contour line of the downstream circumferential extension section 12 follows.
  • the sectional contour of the extension section 20 adjoins the sectional contour of the extension section 20, which extends to a point S. In point S closes the
  • the points ⁇ , ⁇ , ⁇ , ⁇ , ⁇ , ⁇ , ⁇ , ⁇ and S form in the radially outer surface 19 points of an octagon, which is symmetrical to the formed in the radially outer surface 19 in the circumferential direction U center line of the circumferential groove 8.
  • the sectional contour of the central extension portion 20 of the flank 15 with the radially outer surface 19 forms the side NO of the octagon.
  • the sectional contour of the extension portion 21 of the flank 15 with the radially outer surface 19 forms the side OP of the octagon.
  • the sectional contour of the extension portion 22 of the flank 15 with the radially outer surface 19 forms the side NM of the octagon.
  • the cut contour of the Extending portion 20 of the flank 16 with the radially outer surface 19 forms the side TK of the octagon.
  • the sectional contour of the extension portion 21 of the flank 16 with the radially outer surface 19 forms the side KE of the octagon.
  • the sectional contour of the extension portion 22 of the flank 16 with the radially outer surface 19 forms the side ST of the octagon.
  • the sides OP and ON include an interior angle ⁇ .
  • sides ON and NM subtend an internal angle ⁇ .
  • the side KE and the side KT include an internal angle ⁇ .
  • the sides KT and TS include an interior angle ⁇ .
  • the angle ⁇ is formed with 100 ° ⁇ ⁇ 140 °.
  • the sides NO, OP and MN are each formed with the same extension length selected.
  • the sides TK, KE and TS are each formed with the same extension length selected.
  • flank 15 and 16 thus each extends - as shown in Figure 4 - with one in the transverse planes, which include the radial tire axis, starting from Groove base 14 to the radially outer surface 19 rectilinear cutting line contour.
  • the flanks 15 and 16 extend into the circumferential extension sections of the sides OP or MN or EK or TS.
  • the width B5 of the groove bottom 14 is formed with 4mm ⁇ B5 ⁇ Bi.
  • B5 4mm is formed.
  • the height H is designed with 8mm ⁇ H ⁇ 18mm.
  • the height Hi is with
  • the height H 4 is formed with 1mm ⁇ H 4 ⁇ 3mm.
  • H 12 mm
  • Hi 6 mm
  • H 2 6 mm
  • H 4 2 mm are selected.
  • the circumferential extents 12 are each seen in the circumferential direction U in the radially outer surface having an extension length Li and the
  • Peripheral extension regions 13 formed with an extension length L 2 with
  • Li ⁇ L 2 ⁇ 2 Li Li ⁇ L 2 ⁇ 2 Li.
  • L 2 1.5 Li is selected.
  • Li is designed with 10mm ⁇ Li ⁇ 50mm.
  • the circumferential groove 8 is formed as extending over the entire circumference of the tire channel, which in the
  • Circumferentially extending portions 12 radially inwardly through the groove bottom 14 and radially outwardly formed by the groove flanks covering surfaces 23 and in the axial direction A through the two between groove bottom 14 and cover 23 V-shaped opening portions of the flanks 15 and 16 is limited.
  • Peripheral extension regions 13 of the channel formed in the radially inner extension portion is radially inwardly bounded by the groove bottom 14 in the axial direction A through the two V-shaped flanks 15 and 16 and open radially outward.
  • FIG. 1 shows a further embodiment in which in the circumferential grooves 7 and 9, the circumferential position of the extension portions 13 between the
  • Circumferential positions of the extension portions 13 of the circumferential groove 8 are positioned.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne un pneumatique de véhicule pour des véhicules utilitaires, présentant une bande de roulement profilée, pourvue de deux nervures périphériques (3,4) axialement adjacentes, qui sont séparées par une rainure périphérique (8) de profondeur H, la rainure périphérique (8) étant limitée dans le sens axial A par deux parois de rainure, les nervures périphériques (3,4) étant limitées dans le sens radial R vers l'extérieur par une surface radialement externe formant la surface de contact avec la route et la rainure périphérique (8) étant formée par une section d'extension radialement interne de hauteur Hi et par une section d'extension radialement externe radicalement consécutive à celle-ci de hauteur H2. La rainure périphérique (8) est conçue, dans la section d'extension radialement interne, comme un canal s'étendant sur la périphérie du pneu de hauteur Hi et de largeur, mesurée dans le sens axial A, Bi et, dans la section d'extension radialement externe, le long de son extension dans le sens périphérique U, sur la périphérie, avec des premières (12) et des deuxièmes (13) zones périphériques disposées en alternance. La section d'extension radialement externe de la rainure périphérique (8) dans les deuxièmes zones périphériques (13) est réalisée avec une largeur maximale B3, avec B3> Bi, et, dans les premières zones périphériques (12), le long de leur extension dans le sens périphérique U, avec une largeur B2, avec B2< Bi. Les deux flancs (15,16) formant les parois de rainure dans les premières zones périphériques (12) sont réalisées, dans la transition avec la surface radialement externe vers la nervure périphérique (3,4), à chaque fois avec un chanfrein (17,18) de hauteur H4, avec H4< H2, et le long de leur extension radiale dans la section d'extension radialement externe, de radialement intérieur à radialement extérieur jusqu'au chanfrein (17,18), à une distance B2 l'un de l'autre.
PCT/EP2016/061868 2015-08-13 2016-05-26 Pneumatique de véhicule WO2017025212A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201680047568.6A CN107921825B (zh) 2015-08-13 2016-05-26 车辆充气轮胎
PL16724906T PL3334612T3 (pl) 2015-08-13 2016-05-26 Opony pneumatyczne pojazdu
EP16724906.9A EP3334612B1 (fr) 2015-08-13 2016-05-26 Pneumatique de véhicule
US15/895,887 US20180170116A1 (en) 2015-08-13 2018-02-13 Pneumatic vehicle tire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015215455.6 2015-08-13
DE102015215455.6A DE102015215455A1 (de) 2015-08-13 2015-08-13 Fahrzeugluftreifen

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/895,887 Continuation US20180170116A1 (en) 2015-08-13 2018-02-13 Pneumatic vehicle tire

Publications (1)

Publication Number Publication Date
WO2017025212A1 true WO2017025212A1 (fr) 2017-02-16

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Application Number Title Priority Date Filing Date
PCT/EP2016/061868 WO2017025212A1 (fr) 2015-08-13 2016-05-26 Pneumatique de véhicule

Country Status (6)

Country Link
US (3) US20180170116A1 (fr)
EP (1) EP3334612B1 (fr)
CN (1) CN107921825B (fr)
DE (1) DE102015215455A1 (fr)
PL (1) PL3334612T3 (fr)
WO (1) WO2017025212A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018206175A1 (fr) * 2017-05-11 2018-11-15 Continental Reifen Deutschland Gmbh Pneumatique de véhicule
CN109291739A (zh) * 2017-07-25 2019-02-01 普罗迈特昂轮胎集团有限责任公司 用于车轮的轮胎
JP2019182246A (ja) * 2018-04-11 2019-10-24 住友ゴム工業株式会社 タイヤ
CN111278667A (zh) * 2017-11-03 2020-06-12 大陆轮胎德国有限公司 多用途车辆轮胎

Families Citing this family (5)

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CN107921825B (zh) 2020-02-07
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PL3334612T3 (pl) 2020-03-31
US20180170116A1 (en) 2018-06-21
EP3334612A1 (fr) 2018-06-20
DE102015215455A1 (de) 2017-02-16
US20220153067A1 (en) 2022-05-19

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